Spine
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Single-center retrospective case series. ⋯ 3D virtual planning and 3D-printed patient-specific drill guides appear to be safe and accurate for pedicle and lateral mass screw insertion in the cervical and upper-thoracic spine. The quantitative 3D deviation analyses confirmed that screw positions were accurate with respect to the 3D-surgical plan.Level of Evidence: 4.
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Observational Study
Does Duration of Pain at Baseline Influence Longer-Term Clinical Outcomes of Low Back Pain Patients Managed on an Evidence-Based Pathway?
Nonrandomized longitudinal observational study. ⋯ Baseline pain duration would appear to be of clinical importance. Patients with shorter baseline pain duration demonstrated better outcomes. Those with ≥12 month's duration of pain may need additional support during their management to achieve clinically relevant functional improvements in the medium-to-long term. These findings raise questions about the decision by NICE to move away from duration of pain to differentiate management of LBP patients.Level of Evidence: 3.
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Systematic review. ⋯ Statistically significant dichotomous outcomes reported in spine surgery RCTs are more often fragile and outcomes of the patients lost to follow-up could have changed the significance of results and hence it needs caution before transcending their results into clinical application. The addition of FI in routine reporting of RCTs would guide readers on the robustness of the statistical significance of outcomes. RCTs with FI ≥5 without any patient lost to follow-up can be considered to have clinically robust results.Level of Evidence: 1.
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A nonrandomized and prospective study. ⋯ ACDF with different levels had similar postoperative clinical outcomes. Three-level ACDF has an apparent advantage in restoring lordosis, a poor ability to maintain lordosis, and a higher incidence of complications compared to one-level or two-level ACDF.Level of Evidence: 3.